<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <meta charset="UTF-8"/>
    <title>登录界面</title>
</head>
<body>

<div th:if="${param.error}">
    无效的账号和密码
</div>

<div th:if="${param.logout}">
    您已注销
</div>

<form th:action="@{/login}" method="post">
    <div><label>账号：<input type="text" name="username"/> </label></div>
    <div><label>密码：<input type="password" name="password"/> </label></div>
    <div><input type="submit" value="登录"/> </div>
</form>

</body>
</html>
